package chapter04.Example15;
//定义类Animal
class Animal{
    public void shout (){
        System.out.println("喵喵喵....");
    }
}
//Dog类
class Dog extends  Animal{
    //重写shout()方法
    public void shout(){
        System.out.println("汪汪汪....");
    }
    public void eat(){
        System.out.println("吃骨头...");
    }
}
//定义测试类
public class Example15 {
    public static void main (String[] args){
        Dog dog = new Dog();    //创建Dog对象
        Animal an = dog;
        an.shout();
    }
}
